make it work with modern arduino and teensyduino scripts

Author: georgeharker

Arduino.mk

@@ -1293,7 +1293,7 @@ endif
 $(OBJDIR)/%.eep: $(OBJDIR)/%.elf $(COMMON_DEPS)
 	@$(MKDIR) $(dir $@)
 	-$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom='alloc,load' \
-		--change-section-lma .eeprom=0 -O ihex $< $@
+		--no-change-warnings --change-section-lma .eeprom=0 -O ihex $< $@
 
 $(OBJDIR)/%.lss: $(OBJDIR)/%.elf $(COMMON_DEPS)
 	@$(MKDIR) $(dir $@)
@@ -1439,7 +1439,7 @@ pre-build:
 		$(call runscript_if_exists,$(PRE_BUILD_HOOK))
 
 $(TARGET_ELF): 	$(LOCAL_OBJS) $(CORE_LIB) $(OTHER_OBJS)
-		$(CC) $(LDFLAGS) -o $@ $(LOCAL_OBJS) $(CORE_LIB) $(OTHER_OBJS) -lc -lm $(LINKER_SCRIPTS)
+		$(CC) $(LDFLAGS) -o $@ $(LOCAL_OBJS) $(CORE_LIB) $(OTHER_OBJS) $(OTHER_LIBS) -lc -lm $(LINKER_SCRIPTS)
 
 $(CORE_LIB):	$(CORE_OBJS) $(LIB_OBJS) $(PLATFORM_LIB_OBJS) $(USER_LIB_OBJS)
 		$(AR) rcs $@ $(CORE_OBJS) $(LIB_OBJS) $(PLATFORM_LIB_OBJS) $(USER_LIB_OBJS)

Teensy.mk

@@ -34,8 +34,8 @@ endif
 include $(ARDMK_DIR)/Common.mk
 
 ARDMK_VENDOR        = teensy
-ARDUINO_CORE_PATH   = $(ARDUINO_DIR)/hardware/teensy/cores/teensy3
-BOARDS_TXT          = $(ARDUINO_DIR)/hardware/$(ARDMK_VENDOR)/boards.txt
+ARDUINO_CORE_PATH   = $(ARDUINO_DIR)/hardware/teensy/avr/cores/teensy3
+BOARDS_TXT          = $(ARDUINO_DIR)/hardware/$(ARDMK_VENDOR)/avr/boards.txt
 
 ifndef F_CPU
     F_CPU=96000000
@@ -152,11 +152,26 @@ ifeq ("$(call PARSE_TEENSY,$(BOARD_TAG),build.elide_constructors)", "true")
     CXXFLAGS      += -felide-constructors
 endif
 
-LDFLAGS +=  $(call PARSE_TEENSY,$(BOARD_TAG),build.linkoption) $(call PARSE_TEENSY,$(BOARD_TAG),build.additionalobject)
+CXXFLAGS += $(call PARSE_TEENSY,$(BOARD_TAG),build.flags.common)
+CXXFLAGS += $(call PARSE_TEENSY,$(BOARD_TAG),build.flags.cpu)
+CXXFLAGS += $(call PARSE_TEENSY,$(BOARD_TAG),build.flags.defs)
+CXXFLAGS += $(call PARSE_TEENSY,$(BOARD_TAG),build.flags.cpp)
 
-ifneq ("$(call PARSE_TEENSY,$(BOARD_TAG),build.linkscript)",)
-    LDFLAGS   += -T$(ARDUINO_CORE_PATH)/$(call PARSE_TEENSY,$(BOARD_TAG),build.linkscript)
-endif
+CFLAGS += $(call PARSE_TEENSY,$(BOARD_TAG),build.flags.common)
+CFLAGS += $(call PARSE_TEENSY,$(BOARD_TAG),build.flags.cpu)
+CFLAGS += $(call PARSE_TEENSY,$(BOARD_TAG),build.flags.defs)
+
+ASFLAGS += $(call PARSE_TEENSY,$(BOARD_TAG),build.flags.common)
+ASFLAGS += $(call PARSE_TEENSY,$(BOARD_TAG),build.flags.cpu)
+ASFLAGS += $(call PARSE_TEENSY,$(BOARD_TAG),build.flags.defs)
+ASFLAGS += $(call PARSE_TEENSY,$(BOARD_TAG),build.flags.S)
+
+LDFLAGS += $(call PARSE_TEENSY,$(BOARD_TAG),build.flags.cpu)
+
+AMCU := $(call PARSE_TEENSY,$(BOARD_TAG),build.mcu)
+LDFLAGS += -Wl,--gc-sections,--relax
+LINKER_SCRIPTS = -T${ARDUINO_CORE_PATH}/${AMCU}.ld
+OTHER_LIBS = $(call PARSE_TEENSY,$(BOARD_TAG),build.flags.libs)
 
 ########################################################################
 # some fairly odd settings so that 'make upload' works
@@ -171,3 +186,4 @@ RESET_CMD = nohup $(ARDUINO_DIR)/hardware/tools/teensy_post_compile -board=$(BOA
 # automatially include Arduino.mk for the user
 
 include $(ARDMK_DIR)/Arduino.mk
+